Plug adapter



FIG. 1 is a perspective view showing the plug adapter;

FIG. 2 is a front view according to FIG. 1;

FIG. 3 is a back view according to FIG. 1;

FIG. 4 is a left side view according to FIG. 1;

FIG. 5 is a right side view according to FIG. 1;

FIG. 6 is a bottom view according to FIG. 1; and,

FIG. 7 is a top view according to FIG. 1.

The ornamental design for a plug adapter, as shown and described.